Window Rock, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Window Rock, a community in Mckinley County, Arizona.
Today
94°F
Sunny
Sunny, with a high near 94. West wind 10 to 15 mph.
7-day forecast for Window Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 10 to 15 mph W | 1% |
| Tonight | 59°F | Mostly Clear | 5 to 15 mph W | 1% |
| Wednesday | 94°F | Sunny | 0 to 10 mph NW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 0 to 10 mph W | 2% |
| Thursday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Thursday Night | 57°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Friday | 93°F | Sunny | 0 to 5 mph N | 4% |
| Friday Night | 57°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Saturday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Saturday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SW | 15% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Sunday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph W | 15% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph W | 36% |
| Monday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph W | 38% |
Forecast source: National Weather Service (api.weather.gov) for Window Rock (35.671, -109.063). Updated through the day.
Growing snapshot for Window Rock
Last spring frost
May 29
First fall frost
Sep 28
Growing season
121 days
Hardiness zone
6b
More local growing data for Window Rock: nearby ZIP 86515 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Window Rock Ap, Az (5.5 mi from Window Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.